From 0277de7a78cc62abd3d1a17e1cdc754da7f55361 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sun, 12 Sep 2021 10:17:00 +0200
Subject: testsuite/gna: add a test for #873

---
 testsuite/gna/issue873/tb.vhdl      | 40 +++++++++++++++++++++++++++++++++++++
 testsuite/gna/issue873/testsuite.sh |  9 +++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 testsuite/gna/issue873/tb.vhdl
 create mode 100755 testsuite/gna/issue873/testsuite.sh

diff --git a/testsuite/gna/issue873/tb.vhdl b/testsuite/gna/issue873/tb.vhdl
new file mode 100644
index 000000000..bdd091394
--- /dev/null
+++ b/testsuite/gna/issue873/tb.vhdl
@@ -0,0 +1,40 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity dummy is
+    generic (
+        LENGTH : natural);
+    port (
+        A : in std_logic_vector (LENGTH - 1 downto 0);
+        Q : out std_logic);
+end entity;
+
+architecture rtl of dummy is
+
+begin
+
+    Q <= A(0);
+
+end rtl;
+
+library ieee;
+use ieee.std_logic_1164.all;
+ 
+entity tb is
+end tb;
+ 
+architecture rtl of tb is
+
+    signal x : std_logic;
+
+begin
+    x <= '0';
+ 
+    dummy_i: entity work.dummy
+        generic map (
+            LENGTH => 1)
+        port map (
+            A => std_logic_vector(x),
+            Q => open);
+
+end architecture;
diff --git a/testsuite/gna/issue873/testsuite.sh b/testsuite/gna/issue873/testsuite.sh
new file mode 100755
index 000000000..8a9a6eed3
--- /dev/null
+++ b/testsuite/gna/issue873/testsuite.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze_failure tb.vhdl
+
+clean
+
+echo "Test successful"
-- 
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